What is CVE-2026-105272?

CVE-2026-105272 is a medium-severity vulnerability in Growi, Inc. Growi, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.2/10. Published 2026-10-28.

How severe is CVE-2026-105272?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Auth bypass in Growi, Inc. Growi

CVE-2026-105272

GROWI contains an authorization bypass vulnerability in its page viewing and commenting functionality due to improper use of a user-controlled key. By exploiting this vulnerability, an authenticated attacker may obtain the contents and comments of pages without the required read permission.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-10-28 · last modified 2026-10-28.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (7.3th percentile), scored 2026-10-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

The 30-day trend appears once there are two daily scores.

Affected products

Growi, Inc. Growi

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2026-105272?: CVE-2026-105272 is a medium-severity vulnerability in Growi, Inc. Growi, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.2/10. Published 2026-10-28.
How severe is CVE-2026-105272?: Medium severity. CVSS v3 base score is 4.2 out of 10.